High severity7.5NVD Advisory· Published Jan 3, 2022· Updated Jun 17, 2026

CVE-2021-39968

Description

Changlian Blocklist has a Business Logic Errors vulnerability .Successful exploitation of this vulnerability may expand the attack surface of the message class.

Affected products

Huawei/Harmonyos2 versions
cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*range: <2.0
- (no CPE)range: 2.0
HarmonyOS/Changlian Blocklistllm-fuzzy

Patches

Vulnerability mechanics

References

device.harmonyos.com/en/docs/security/update/security-bulletins-202110-0000001162998526nvdVendor Advisory

News mentions

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